Personal work. Modeled and texturized in 3dCoat. Render in Keyshot. Retouches, phototextures and finishing in Photoshop.
I have a course in spanish and english where I cover all the process of this kind of work, if you're interesting on it you can check here: https://www.domestika.org/es/courses/608-diseno-y-modelado-de-una-nave-sci-fi-en-3d/juannovelletto